Information and IdeasEasy–MediumEvidence for a claim about compost
Information and Ideas practice question
A gardener claims that her home-made compost improves plant growth.
Which finding, if true, would most directly support the claim?
- A. Seedlings grown in soil enriched with her compost grew twice as tall in a month as identical seedlings in plain soil.Correct
- B. Her compost heap is two metres wide.
- C. She has made compost for ten years.
- D. Her garden has a greenhouse.
Answer: A. Seedlings grown in soil enriched with her compost grew twice as tall in a month as identical seedlings in plain soil.
A comparison with and without compost.
Why the other answers are wrong
- B. Her compost heap is two metres wide.
- Size of the heap.
- C. She has made compost for ten years.
- Experience is not evidence of effect.
- D. Her garden has a greenhouse.
- Irrelevant.
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